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[" (7) A projectile of mass "3m" explode...

[" (7) A projectile of mass "3m" explodes at highest point of its path.It breaks into three equal parts.One part "],[" retaces its path,the second one comes to rest.The range of the projectile was "100m" if no explosion "],[" would have taken place.The distance of the third part from the point of projection when it finally lands on "],[" the ground is- "],[[" (A) "100m," (B) "150m," (C) "250m," (D) "300m]]

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